PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/10-17:43:10 G02 201.3 22.7 12.2 +/- 3.44 25.3 +/- 3.44 0.080 / 0.300 G06 166.6 58.9 13.8 +/- 1.32 15.8 +/- 1.32 0.090 / 0.290 G13 224.7 10.9 11.0 +/- 2.13 30.0 +/- 2.13 0.050 / 0.110 G17 24.9 57.6 11.5 +/- 0.44 13.3 +/- 0.44 0.040 / 0.130 G19 324.3 70.1 11.5 +/- 0.47 12.1 +/- 0.47 0.070 / 0.110 G24 307.0 32.8 12.6 +/- 1.30 20.8 +/- 1.30 0.090 / 0.110 G28 91.5 37.9 11.2 +/- 0.72 16.8 +/- 0.72 0.070 / 0.180 G30 157.7 12.2 10.8 +/- 1.82 28.7 +/- 1.82 0.070 / 0.170